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目的了解扩张型心肌病(扩心病)患者电风暴的发生率,并探讨其发生电风暴的相关危险因素。方法观察53例住院的扩心病患者,通过心电监护或24h动态心电图识别电风暴,根据是否发生电风暴进行分组,采用单因素和多因素分析,发现危险因素。结果 34%患者在住院期间发生电风暴,房颤病史(OR:2.2,95%CI:1.2-5.0;p=0.015)和左室舒张末容积增加(OR:1.4,95%CI:1.13-1.72;p=0.041)是电风暴发生的独立危险因素。结论房颤病史和左室舒张末容积增加是扩心病发生电风暴的危险因素,结合这些指标,可以对扩心病患者发生电风暴进行危险分层。
Objective To understand the incidence of electrical storm in patients with dilated cardiomyopathy (dilated cardiomyopathy) and to explore the risk factors associated with electrical storm. Methods Fifty-three hospitalized patients with heart-disease were observed. The electrocardiogram (ECG) or 24h ambulatory electrocardiogram (ECG) were used to identify the electrical storm. The patients were divided into groups according to whether the electrical storm occurred or not. Univariate and multivariate analyzes were performed to identify the risk factors. RESULTS: Thirty-four percent of patients had an electrical storm during hospitalization with a history of atrial fibrillation (OR: 2.2, 95% CI: 1.2-5.0; p = 0.015) and increased left ventricular end diastolic volume (OR: 1.4, 95% CI: 1.13-1.72 ; p = 0.041) was an independent risk factor for electrical storm. Conclusion The history of atrial fibrillation and the increase of left ventricular end-diastolic volume are the risk factors for the occurrence of electrical storm in EP patients. Combined with these indicators, risk stratification can be conducted in patients with EP.